Fix for 105271

security/nss/Makefile

@@ -104,7 +104,20 @@ ifdef USE_DEBUG_RTL
 NSPR_CONFIGURE_OPTS += --enable-debug-rtl
 endif
 
-ifeq ($(OS_ARCH),OS2)
+#
+# Some pwd commands on Windows (for example, the pwd
+# command in Cygwin) return a pathname that begins
+# with a (forward) slash.  When such a pathname is
+# passed to Windows build tools (for example, cl), it
+# is mistaken as a command-line option.  If that is the case,
+# we use a relative pathname as NSPR's prefix on Windows.
+#
+
+USEABSPATH=':'
+ifeq ($(OS_ARCH),WINNT)
+USEABSPATH=$(findstring :,$(shell pwd))
+endif
+ifeq ($(USEABSPATH),':')
 NSPR_PREFIX = $(shell pwd)/../../dist/$(OBJDIR_NAME)
 else
 NSPR_PREFIX = $$(topsrcdir)/../dist/$(OBJDIR_NAME)